Seiko Cal. 3869 - 278

The Seiko 3869-278 represents an important milestone in Seiko's 1989 lineup. Powered by the 3869 caliber with 35j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-b57dd4e05323]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1989

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